Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from DE3309695Aexternal-prioritypatent/DE3309695C2/de
Application filed by Otto & Co Gmbh Dr CfiledCriticalOtto & Co Gmbh Dr C
Publication of IN161043BpublicationCriticalpatent/IN161043B/en